<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/9/24
 * Time: 19:59
 */
class Phone extends Shop
{
    public $pinpai;
    public $chandi;

    function introduce()
    {
        echo "名  称：".$this->name."<br>";
        echo "价  格：".$this->price."<br>";
        echo "库存数：".$this->num."<br>";
        echo "品  牌：".$this->pinpai."<br>";
        echo "产  地：".$this->chandi."<br>";
    }
}